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| author | Marc Zyngier <marc.zyngier@arm.com> | 2016-09-06 14:02:01 +0100 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2016-09-08 12:53:00 +0200 |
| commit | 10cf33900fb27a5b5a107e9c37fa249e0deb5a96 (patch) | |
| tree | 0f38e76f29e67ec01715c52e3ee3f3387765430f | |
| parent | 44636f976f5bb92631f0dd5fd26547d64c2c6a80 (diff) | |
| download | blackbird-op-linux-10cf33900fb27a5b5a107e9c37fa249e0deb5a96.tar.gz blackbird-op-linux-10cf33900fb27a5b5a107e9c37fa249e0deb5a96.zip | |
arm64: KVM: Add Virtual Abort injection helper
Now that we're able to context switch the HCR_EL2.VA bit, let's
introduce a helper that injects an Abort into a vcpu.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
| -rw-r--r-- | arch/arm64/include/asm/kvm_emulate.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kvm/inject_fault.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index b336434d8546..fd9d5fd788f5 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -38,6 +38,7 @@ bool kvm_condition_valid32(const struct kvm_vcpu *vcpu); void kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr); void kvm_inject_undefined(struct kvm_vcpu *vcpu); +void kvm_inject_vabt(struct kvm_vcpu *vcpu); void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr); void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr); diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c index 898c0e6aedd4..da6a8cfa54a0 100644 --- a/arch/arm64/kvm/inject_fault.c +++ b/arch/arm64/kvm/inject_fault.c @@ -231,3 +231,15 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu) else inject_undef64(vcpu); } + +/** + * kvm_inject_vabt - inject an async abort / SError into the guest + * @vcpu: The VCPU to receive the exception + * + * It is assumed that this code is called from the VCPU thread and that the + * VCPU therefore is not currently executing guest code. + */ +void kvm_inject_vabt(struct kvm_vcpu *vcpu) +{ + vcpu_set_hcr(vcpu, vcpu_get_hcr(vcpu) | HCR_VSE); +} |
